TW201815144A - Wireless telecommunication device and method - Google Patents

Abstract

A method for transmitting data in a mobile communication network, the method comprising transmitting a first data to a first mobile unit, wherein transmitting the first data comprises transmitting first control information in a first time period, the first control information identifying And a first allocated resource for transmitting the first data in a subsequent second time period. The method further includes identifying a second data transmitted to the second mobile unit during the second time period, and when the second data is identified: transmitting the second data in the second resource, wherein the second The resource includes a redistributed resource set selected from the first allocated resources, the second data transmitted during the selected time period in the second time period; and transmits the second control information, except that the first is allocated to the first The first data in the set of reallocated resources of the transmission of the data, the second control information notifying the first action unit of the data transmission.

Description

 Wireless telecommunication device and method  

The present invention is related to wireless telecommunication devices and methods.

The description of "prior art" provided herein is for the purpose of generally presenting the context of the present invention. The work of the presently named inventors (within the scope of the prior art) and the aspects that may not be consistent with the description of the prior art at the time of the application are neither explicitly or implicitly accepted as prior art to the present invention.

Third and fourth generation mobile device telecommunication systems, such as those based on 3GPP defined UMTS and Long Term Evolution (LTE) architectures, can support more complex services than the simple voice and messaging services provided by previous generations of mobile telecommunication systems. For example, with the improved radio interface and enhanced data rate provided by the LTE system, users can enjoy high data rate applications that were previously only available via fixed line data connections, such as mobile device video streams and mobile video conferencing. As a result, the need to deploy third- and fourth-generation networks is strong, and the coverage of these networks (ie, the geographic locations where the network may be accessed) is expected to increase rapidly. However, while fourth-generation networks can support high data rate and low latency communications from devices such as smart phones and tablets, it is expected that future wireless communication networks will be expected to effectively support and support a wider range of data traffic. A wider range of devices associated with profiles, such as devices with reduced complexity, machine type communication devices, high resolution video displays, and virtual reality headphones. Some of these different types of devices can be deployed in very large numbers, such as low complexity devices for supporting the "Internet of Things," and can generally be associated with the transmission of relatively small amounts of data having relatively high latency tolerances. Other types of devices (e.g., supporting high definition video streaming) can be associated with the transmission of relatively large amounts of data with relatively low latency tolerances.

Accordingly, a need for future wireless communication networks (which may be referred to as 5G or new radio (NR) systems/new radio access technology (RAT)) networks is desired to effectively support a wide range of related devices. Connectivity has different applications, with different profile data profiles, resulting in different devices with different operational characteristics/requirements, such as:

‧ High latency tolerance

‧High data rate

‧Use millimeter wave spectrum

‧ High-density network nodes (for example, small cells and relay nodes)

‧ Large system capacity

‧ A large number of devices (for example, MTC devices / IoT devices)

‧ High reliability (for example, for automotive safety applications such as self-driving)

‧ low cost and low energy consumption

‧Flexible spectrum usage

‧Flexible mobility

‧Super reliable and low latency

A new Radio Access Technology (NR) 3GPP Research Project (SI) [1] has been proposed for research and development of new Radio Access Technologies (RATs) for such next generation wireless communication systems. The new RAT is expected to operate over a wide range of frequencies and is expected to cover a wide range of use cases. Example use cases considered by this SI:

‧Enhanced Mobile Broadband (eMBB)

‧ Large Machine Type Communication (mMTC)

‧ Ultra-reliable and low latency communication (URLLC)

eMBB services are usually high-capacity services that need to support up to 20Gb/s. In order to efficiently transfer large amounts of data with high throughput, it is expected that the eMBB service will use a longer schedule time in order to minimize the burden, where schedule time refers to the time available for data transfer between allocations. In other words, the eMBB service is expected to have a relatively infrequent allocation message and allocate a longer time period to the data transmission between the distribution messages.

On the other hand, the URLLC service is a low latency service in which the latency is from the layer 2 packet into the measurement until it exits the network with a target of 1 ms. URLLC data is generally expected to be short, so a smaller schedule time is generally expected compared to eMBB transmission. As will be appreciated by those skilled in the art, eMBB transmissions and URLLC transmissions have different requirements and expectations, one requiring high capacity and low burden, while the other requires low latency.

Therefore, it is challenging to envisage a system that can accommodate both needs and to deliver these two very different types of transmissions in a satisfactory manner. In view of this, it is desirable to provide configurations and systems in which high capacity and low latency transmissions can be communicated while attempting to optimize resource utilization for the entire system and each type of transmission.

The present invention may help to solve or alleviate at least some of the problems discussed above.

The various aspects and features of the present invention are limited to the scope of the appended claims.

It should be understood that the above general description and the following detailed description are examples of the present invention, but are not limiting. The described embodiments and further advantages are best understood by reference to the following detailed description of the drawings.

100, 300‧‧‧ network

101‧‧‧ base station

102‧‧‧core network

103, 341, 342‧‧ Coverage area

104, 400‧‧‧ Terminal devices

301, 302‧‧‧Communication cells

311, 312‧‧‧ distributed units

321, 322‧‧‧ control node

321A, 322A, 400A, 1311A, 1312A‧‧‧ transceiver units

321B, 322B, 400B, 1311B, 1312B‧‧‧ processor units

351, 352‧‧‧Wireless links

500‧‧‧ core network components

A more complete understanding of the present disclosure, as well as many of the attendant advantages thereof, may be <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; 1 schematically shows some elements of a conventional LTE mobile telecommunications network/system; FIG. 2 diagrammatically shows some elements of another type of wireless telecommunications network/system; FIG. 3 diagrammatically shows an exemplary eMBB transmission in accordance with the present invention; Figure 4 is a diagrammatic representation of an exemplary URLLC transmission in accordance with the present invention; Figure 5 schematically illustrates an exemplary multiplex of eMBB and URLLC transmissions; Figure 6 is a diagrammatic representation of an exemplary block in accordance with the present invention; and Figure 7 is a diagrammatic representation of eMBB and Example multiplex of URLLC transmission; FIG. 8 diagrammatically shows an example flow diagram of rate matching transmission in accordance with the present invention; and FIG. 9 diagrammatically illustrates an exemplary application of the flowchart discussed in FIG.

FIG. 1 is a schematic diagram showing a network architecture for an LTE wireless mobile telecommunications network/system 100. The various elements of Figure 1 and their operation are well known and are defined in the relevant standards managed by the 3GPP (RTM) body and are also described in many books on the subject, such as Holma H. and Toskala A [2 ]. It should be understood that the telecommunication network represented in FIG. 1 and the operational aspects of other networks discussed herein in accordance with embodiments of the present invention (which are not specifically described (eg, with respect to a particular communication protocol and for communicating entities between different elements) The channel)) can be implemented according to any known technique, such as implementing such operational aspects of a wireless telecommunications system in accordance with currently used methods, such as in accordance with relevant standards.

Network 100 includes a plurality of base stations 101 connected to core network 102. Each base station provides a coverage area 103 (i.e., cells) within which data can be communicated to and from the terminal device 104. The data in the coverage area 103 is transmitted from the base station 101 to the terminal device 104 via the radio downlink. The data is transmitted from the terminal device 104 to the base station 101 via the radio uplink. The core network 102 routes data to and from the terminal device 104 via various base stations 101 and provides functions such as authentication, mobility management, charging, and the like. A terminal device may be referred to as a mobile station, a user equipment (UE), a user terminal, a mobile device radio, a communication device, and the like. A base station (which is an example of a network infrastructure device) may also be referred to as a transceiver station/node B/e-nodeB or the like.

2 is a diagram showing a new RAT network wireless mobile telecommunications network/system 300 based on the previously proposed scheme and which may be adapted to provide functionality in accordance with an embodiment of the present invention. The new RAT network 300 shown in FIG. 2 includes a first communication cell 301 and a second communication cell 302. Each of the communication cells 301, 302 includes control nodes (concentrated cells) 321, 322 that communicate with the core network component 500 via respective wired or wireless links 351, 352. Each of the control nodes 321, 322 also communicates with a plurality of distributed units (radio access nodes/remote transmission and reception points (TRP)) 311, 312 in their respective cells. Moreover, these communications can be through respective wired or wireless links. The distributed units 311, 312 are responsible for providing a radio access interface for terminal devices connected to the network. Each of the distributed units 311, 312 has a coverage area (radio access footprint) 341, 342 that together define the coverage of the respective communication cells 301, 302.

In terms of a wide range of top-level functions, the core network component 500 of the new RAT telecommunications system represented in FIG. 2 can be widely considered to correspond to the core network 102 shown in FIG. 1, and the respective control nodes 321, 322 and Associated distributed units/TRPs 311, 312 can be widely considered to provide functionality corresponding to the base station of FIG.

Terminal device 400 is shown within the coverage area of first communication cell 301 in FIG. This terminal device 400 can thus exchange communication with the first control node 321 in the first first communication cell via one of the distributed units 311 associated with the first communication cell 301. For the sake of simplicity, this specification assumes that communication for a given terminal device is routed through one of the distributed units, but in some embodiments it will be understood that communication associated with a given terminal device may pass more than one The distributed units are routed, for example in software contexts and other contexts. That is, the reference herein to communication over a distributed unit route should be interpreted as a reference to communication through one or more distributed units. In this regard, a particular distributed unit through which a terminal device is currently connected to an associated control node may be referred to as an active distributed unit of the terminal device. An active subset of distributed units for a terminal device may include one or more distributed units (TRPs). The control node 321 is responsible for determining which distributed unit 311 across the first communication cell 301 is responsible for radio communication with the terminal device 400 at any given time (i.e., which distributed unit is currently the active distributed unit of the terminal device). Typically, this will be based on measurements of radio channel conditions between each of the terminal device 400 and the distributed unit 311. In this regard, it should be understood that the subset of distributed units in cells currently active for the terminal device depends, at least in part, on the location of the terminal device within the cell (because the pair of radios present between the terminal device and the respective distributed unit The channel status has contributed a lot).

In the example of Figure 2, two communication cells 301, 302 and one terminal device 400 are shown for simplicity, but it will of course be understood that in practice the system may include a greater number of communication cells (each of which is individually The control node and the plurality of distributed units support) serve a larger number of terminal devices.

It will be further appreciated that FIG. 2 merely illustrates one example of a proposed architecture for a new RAT telecommunications system in which methods in accordance with the principles described herein may be employed, as well as the mobility disclosed herein for processing wireless telecommunications systems. The /delivery function can also be applied to wireless telecommunication systems with different architectures. That is, a particular wireless telecommunications architecture suitable for use in a wireless telecommunications system that implements functionality in accordance with the principles described herein is not critical to the underlying principles of the method.

The terminal device 400 includes a transceiver unit 400A for transmission and reception of wireless signals and a processor unit 400B configured to control the terminal device 400. Processor unit 400B may include various subunits for providing functionality in accordance with embodiments of the present invention as will be further explained herein. These subunits can be implemented as separate hardware components or as a suitably configured function of the processor unit. Processor unit 400B may thus include a processor unit that is suitably configured/programmed to provide the desired functionality described herein using conventional programming/configuration techniques for devices in a wireless telecommunications system. Transceiver unit 400A and processor unit 400B are shown diagrammatically in Figure 2 as separate elements for ease of representation. However, it should be understood that the functionality of these units may be provided in a variety of different manners, such as using a single suitably programmed general purpose computer or a suitably configured dedicated integrated circuit/circuit. It should be understood that terminal device 400 will typically include various other components associated with its operational functions, such as power supplies, user interfaces, and the like, but these are not shown in FIG. 2 for simplicity.

In this example, the first and second control nodes 321, 322 are functionally identical, but serve different geographic regions (cells 301, 302). Each control node 321, 322 includes transmissions for communication between respective control nodes 321, 322 and distributed units 311, 312 within their respective communication cells 301, 302 (these communications may be wired or wireless) Received transceiver units 321A, 322A. Each control node 321, 322 further includes a processor unit 321B, 322B that is configured to control the control nodes 321, 322 to operate in accordance with embodiments of the present disclosure as described herein. The various processor units 321B, 322B may again include various sub-units for providing functionality in accordance with embodiments of the invention as will be explained herein. These subunits can be implemented as separate hardware components or as a suitably configured function of the processor unit. Accordingly, each processor unit 321B, 322B can include a processor unit that is suitably configured/programmed to provide the desired functionality described herein using conventional programming/configuration techniques for devices in a wireless telecommunications system. The processor units 321B, 322B of the respective transceiver units 321A, 322A and each of the control nodes 321, 322 are shown schematically in FIG. 2 as separate elements for ease of representation. However, it should be understood that the functionality of these units may be provided in a variety of different manners, such as using a single suitably programmed general purpose computer or a suitably configured dedicated integrated circuit/circuit. It will be appreciated that the control nodes 321, 322 will typically include various other components associated with their operational functions, such as a power source.

In this example each distributed unit (TRP) 311, 312 is functionally identical but serves different parts of its respective unit. That is, the distributed units are spatially distributed through their respective communication cells to support communication of the terminal devices at different locations within the cells, as generally indicated in FIG. Each of the distributed units 311, 312 includes transceiver units 1311A, 1312A for transmission and reception of communication between the respective distributed units 311, 312 and their associated control nodes 321, 322, and also for each Transmission and reception of radio communication between the distributed units 311, 312 and any terminal devices they currently support. Each of the distributed units 311, 312 further includes processor units 1311B, 1312B configured to control the operation of the distributed units 311, 312 in accordance with the principles described herein. The various processor units 1311B, 1312B of the distributed unit may again include various subunits. These subunits can be implemented as separate hardware components or as a suitably configured function of the processor unit. Accordingly, each processor unit 1311B, 1312B can include a processor unit that is suitably configured/programmed to provide the desired functionality described herein using conventional programming/configuration techniques for devices in a wireless telecommunications system. The various transceiver units 1311A, 1312A and processor units 1311B, 1312B are shown diagrammatically in Figure 2 as separate elements for ease of representation. However, it should be understood that the functionality of these units may be provided in a variety of different manners, such as using a single suitably programmed general purpose computer or a suitably configured dedicated integrated circuit/circuit. It will be appreciated that the distributed units 311, 312 will typically include various other components associated with their operational functions, such as a power source.

As discussed above, a mobile communication network such as network 100 or network 300 can be used to carry transmissions of services with various constraints, such as high capacity and with some tolerance for delays and low capacity but for delays. Low tolerance flow. While these disclosed principles will be illustrated in the context of a mobile network (e.g., TRP, eNB, BTS, ...) that transmits eMBB and URLLC data to mobile units, it should be understood that the same principles apply to 3G. Network, LTE network or any other suitable network and for any suitable type or data type. Likewise, the same principles and teachings can be used for uplink transmissions from mobile devices to network receivers (eg, BTS, eNB, TRP, etc.).

Returning to the example of eMBB and URLLC traffic, an example of a suitable frame structure for transmitting eMBB data and URLLC data is shown in Figures 3 and 4, respectively. An example eMBB frame structure with a transmission period T _eMBB (eg, 0.5 ms, 1 ms, 5 ms, 10 ms, or 50 ms) is shown in FIG. 3, where the control channel uses less transmission resources than the data channel. In this way, the burden caused by the control transfer is reduced. On the other hand, once the transmission of the eMBB frame has begun, if the new URLLC data to be transmitted is identified or received for transmission, it must be sent in a future frame, which may result in a delay in transmitting the data. That is, the delay will be at least the remaining transmission time of the current eMBB frame, which may result in an unacceptable delay for URLLC transmission. The difference is that, as a trade-off for lower burdens, the transmission delay of longer frames increases compared to the transmission delay of shorter frames. Therefore, the example eMBB frame is well adapted to the transmission of relatively high capacity and high latency tolerance traffic (eg, video streaming, web traffic, etc.).

Turning now to Figure 4, an example of a URLLC frame structure having a transmission period of T _URLLC (e.g., 0.25 ms) is shown, wherein the control and data channels occupy a shorter period than the frame shown in Figure 3. duration. The transmission length of the URLLC data T _URLLC is expected to be much smaller than the transmission length of the eMBB T _eMBB , that is, T _eMBB >>T _URLLC . One example requirement currently being considered by URLLC is lower latency transmission, which goes from the Layer 2 packet to the measurement and goes out of the network with a target of 1 ms. By using this frame structure and comparing with the frame structure of FIG. 3, the burden generated by the transmission of the control information is greater, but if new data is received during the transmission of the current frame, the new data can be sent faster. The frame (the transmission of the current frame will be completed earlier than the longer frame), so the delay in sending the data is relatively small. As will be appreciated by those skilled in the art, this type of frame is more suitable for transmitting delay-sensitive low-capacity traffic (eg, emergency) than transmitting low-capacity and high-latency traffic for URLLC traffic. And security systems, health monitoring, etc.).

In mobile networks, it is generally expected that different services can be multiplexed in the same system bandwidth. This means that eMBB and URLLC traffic will be scheduled by the network in the same (time and / or frequency) resources, and the mobile unit receiving the transmission should be able to find the relevant type of transmission addressed to it. Possible options for multiplexing these different types of traffic and frames include:

‧ Orthogonal time resources are multiplexed. Here, the base station uses a sufficiently short schedule interval to satisfy the URLLC latency requirements of eMBB and URLLC to allow scheduling of URLLC and eMBB on orthogonal transmission resources. One disadvantage of this approach is that it creates a relatively large schedule-related burden for eMBB, which significantly reduces its spectral efficiency. Another option is to reserve some time periods for URLLC transmissions. The downside is that the amount of reserved resources must be overestimated to ensure that resources are always available for URLLC transmissions (to meet latency goals), which may result in sub-optimized use of available resources, resulting in loss of network capacity (reverse) Overcoming will cause loss of capacity for eMBB traffic).

‧ Orthogonal frequency resources, where eMBB and URLLC use different frequency resources. One disadvantage is that when the time resource of the URLLC is retained (see above), this may result in a decrease in the overall capacity of the network. Moreover, in some systems, such as NR or 5G systems, orthogonal frequency resources may not be available, as it may sometimes be desirable for the network to serve many users and to occupy most of the resources for eMBB transmissions for a relatively long period of time.

In order to provide multiplexing of URLLC and eMBB transmissions in a manner that provides low latency URLLC transmission, another option is to consume a subset of the resources already allocated to the eMBB to send the URLLC data. This is illustrated with reference to Figure 5, where eMBB transmission begins at time τ0 and it is expected to occupy all available transmission resources until time τ3. At time (or shortly before) τ1, the URLLC packet arrives and needs to be transmitted immediately. If there are no other available transmission resources, it can then occupy the eMBB resource time τ2 as shown in FIG. The different methods for using the two types of transmissions originally allocated to one of the resources of the transmission include only:

‧ Overlay: The base station schedules the eMBB in the most efficient manner, for example with a long schedule interval as discussed in FIG. This is then superimposed on the eMBB transmission when the URLLC delivery block arrives (e.g., by using multiple user overlays). This means that eMBB transmissions will subsequently suffer from some multi-user overlay interference on those resource elements that are shared with the URLLC transport block. This may cause both eMBB and URLLC transmissions to be corrupted.

‧ Piercing: The eNodeB schedules eMBB in the most efficient manner, for example with the long scheduling interval described above. The eNodeB then punctured the eMBB transmission to establish a space suitable for the arriving URLLC delivery block. This means that some of the transmission resources previously specified for the eMBB delivery block are allowed to be used to transport the URLLC delivery block. The eMBB samples designated to be sent on the punctured transmission resource are not transmitted at all and are effectively removed from the transmission.

Overlaying or puncturing an eMBB transmission as described above will affect the likelihood of securely receiving or restoring eMBB transmissions, and this may result in transmission failure. Some possible ways to ensure eMBB TB recovery include:

• The use of an existing HARQ retransmission scheme (or similar) for eMBB packets to request retransmission of data is too corrupt to be recovered. However, unlike other transmissions (eg, legacy LTE packet transmission), eMBB transmissions may be resource intensive and retransmissions will occupy most of the available resources. This will result in the need for a large amount of resources to retransmit the corrupted data (which may be much larger than the resources used for URLLC transmission).

‧ Use outer coding, where additional encoding is performed on multiple eMBB packets. However, this would introduce a high latency when receiving an eMBB packet because the UE needs to receive multiple eMBB packets in order to perform the outer decoding process, and because the eMBB frame used to transmit the EMBB packet is expected to be relatively long.

Therefore, it should be understood that in these cases, the collision between the eMBB material and the URLLC material makes this may not be satisfactorily resolved, and the eMBB transmission may not be easily recovered without causing further problems.

In accordance with the present invention, a configuration is provided in which a past resource is used in the same or previous frame to transmit second control information. By providing an additional control channel, the collision of the recipient of the eMBB transmission can be notified by the URLLC transmission and/or the transmission change of the eMBB data. This, in turn, can improve the recovery of eMBB data affected by URLLC transmissions. From a different point of view, the second control channel can provide scheduling and decoding information updates for data transmission, especially for past transmissions. An example frame with two control channels is shown in Figure 6, where the eMBB transmission begins at time τ ₀ and ends at time τ ₃ . The transmission contains a first control channel transmitted between time τ ₀ and τ ₁ in a conventional manner and a second control channel transmitted between τ ₂ and τ ₃ . In this example time period, [τ ₂ -τ ₃ ] is at the end of the frame, but in other examples, it can be provided in an earlier time period of the frame or even in subsequent frames. In other words, in some examples, the data channel is transmitted between the first and second control channels, and in other examples it is transmitted after the first control channel and a portion is transmitted before and after a portion of the second control channel. Moreover, in other examples, three or more control channels may be transmitted within a single eMBB frame/transmission, for example to accommodate two or more collisions with URLLC transmissions or for any other suitable reason.

Although the second control channel can be used in each frame, it is expected that it will only be used if the eMBB transmission is affected in order to reduce the burden from the second control channel. Thus, in one example, when no URLLC transmission collision occurs, the second control is not transmitted and the eMBB frame contains only one control channel (e.g., as in Figure 3). This corresponds to the conventional situation in which control information is first transmitted in each frame, the control information contains control information about the data transmitted in the subsequent data channel, and once the control channel has been transmitted, the corresponding data channel is transmitted. According to the present invention, if a collision occurs and affects the eMBB transmission, the second control information may be transmitted after the data channel transmission starts, wherein the second control information may be used to assist the eMBB receiver to receive the eMBB data, all or part of which is not collided. influences. The second control information is then related to at least some of the resources that have been allocated, scheduled, or processed in the first control information.

In some examples, there is a predefined set of possible locations for URLLC channels. For example, when the transmission time of the eMBB channel is 1 ms and the transmission time of the URLLC channel is 0.25 ms, when the URLLC transmission is synchronized with the eMBB transmission, the URLLC channel has four possible starting positions from a time perspective. The frequency resources assigned to the URLLC transmission can also be considered as a suitable choice. In some cases, the entire bandwidth allocated for eMBB transmissions can be used, while in other examples, URLLC transmissions can use a subset of eMBB frequency resources. Going back to timing considerations, depending on where the URLLC may be found, there may be some possible limitations on the location of the second control channel. This stems from the fact that when the eMBB transmission is in progress, as the low latency transmission is inserted, it is expected that the second control information will be transmitted after the collision, and then the eMBB receiver can be notified of the collision or change in the eMBB transmission. Examples of possible locations for the second control channel include:

End of ‧eMBB transmission

• The beginning of the last possible URLLC transmission in the eMBB transmission (i.e., 0.75 ms in the above example). The second control information can then potentially be related to the past and/or upcoming collision of URLLC traffic in the eMBB frame.

‧In case two or more additional control channels are sent in the eMBB frame, such additional control can be provided at every possible starting position of the URLLC transmission (ie 0.25ms, 0.5ms and 0.75ms) aisle.

As will be appreciated by those skilled in the art, other possible locations of the second control channel may be suitable and used in accordance with the present invention, wherein the second control channel may update the emergency previously sent to accommodate resources previously allocated to other traffic. Control information used for low latency traffic.

In an exemplary embodiment, the first control channel contains "initial" scheduling information for the data channel, such as time and frequency resources used and MCS (modulation and coding scheme), and the second control channel contains further information provided. The "end" schedule information of the schedule information, for example, whether a subset of the data channel resources has been punctured. A frame according to this example is shown in FIG. In this example, eMBB occupies time resources between time τ ₀ and τ ₅ . The first control channel transmitted at the beginning of the transmission frame structure between time τ ₀ and τ ₁ contains initial scheduling information identifying the resources occupied by the data channel and the MCS used by the data channel. At this point in time, when the control information is sent, it may not be known whether the URLLC transmission has occurred, and the scheduler may therefore decide to allocate resources to the eMBB transmission, ignoring the potential future URLLC transmission. In this example, the downlink URLLC transmission then occurs between time τ ₂ and τ ₃ , which punctured a portion of the eMBB data channel. The URLLC transmission may include its own control channel and information, such as scheduling information in its resources used from the eMBB data channel, such that the URLLC receiver may receive the transmission according to the URLLC system.

The second control channel provides scheduling information about which portion of the data channel resource (eg, frequency and time) has been affected by the originally planned URLLC transmission (eg, puncture or overlay) when the previous control information was sent. An eMBB terminal with knowledge of the affected eMBB resources, thus avoiding corruption of resources during its decoding process. In other words, discarding affected or corrupted symbols can help provide higher performance than using symbolic transmissions that are affected or corrupted during decoding. Therefore, time and frequency resources can be used more efficiently.

It is worth noting that when comparing whether to use all symbols or discarding or ignoring symbols that are recognized as corrupt:

‧In the case of "discard damaged symbols", the decoder of the terminal can replace the corrupted demodulated samples generated by the corrupted symbols with log-likelihood ratios ("LLR=0").

‧In the case of "decoding using corrupted symbols", the decoder of the terminal does not change the demodulated samples, and can only rely on the original performance of the error correction code to correct the errors caused by the damage.

As described above, those skilled in the art will appreciate that in the case of using a resource previously allocated to one or more eMBB transmissions without transmitting a URLLC transmission, the first control channel is sufficient for the UE to receive the eMBB transmission to decode the data channel. For example, when an eMBB resource is allocated, the scheduler can finally allocate resources available for URLLC transmissions in order to reduce the likelihood of collisions between the two types of transmissions. In this case, the eMBB and URLLC transmissions can be multiplexed without conflict if there is sufficient capacity and if the timing of the transmission is allowed. Conversely, even if the eMBB and URLLC transmissions are multiplexed in the same frame, a control channel for the frame can be sufficient (and the URLLC transmission will usually be expected to be self-contained and have the appearance as shown in Figure 7. Own control channel).

Although in the previous example, the second control information is mainly used to notify the terminal that receives the corrupted eMBB data, the corrupted symbol is ignored when the eMBB transmission has replaced the symbol transmitted by the URLLC with the changed symbol, in other examples, The second control channel can use different channels to help correct for collisions between the two transmissions. Some of these examples are discussed below.

In an example, the first control channel contains scheduling information of the data channel. The second control channel contains scheduling information for any corresponding transmission (eMBB and/or URLLC) occupying resources within the data channel. This method can be used when URLLC transmissions are superimposed on the eMBB data channel, causing interference. The UE capable of interference cancellation can therefore use the information provided by the second control channel to remove interference caused by the URLLC transmission (not known when the first control channel is transmitted, and therefore cannot be notified to the terminal at this stage). The information provided in the second control channel may, for example, include URLLC scheduling information (eg, identifying resources for URLLC transmission) and/or information needed for interference cancellation, such as modulation of URLLC transmissions, overlay power levels, etc. Wait. Therefore, second control information can be provided in which information is used for interference cancellation when the URLLC transmission has been superimposed on the eMBB transmission.

In some examples, the first control channel contains entity scheduling information that provides information to the UE to demodulate the data channel (eg, entity DCI in the downlink case). For example, the information may include time and frequency resources occupied by the data channel and the modulation used. Using the entity DCI (first control channel), the UE will get the LLR (soft bit) that can be stored in its buffer. The second control channel contains pass scheduling information (eg, transport DCI in the downlink case), an encoding rate used in the data channel, and actual resources (ie, resources that are not corrupted by URLLC transmission). The UE may then use the information in the transmitted DCI to decode the demodulated message (ie, the LLR obtained using the information in the first control channel). Thus, eMBB transmissions can be transmitted such that the same amount of data from a higher level is transmitted, but different encoding (and/or transmission) rates can be used to accommodate or compensate for resources that are now lost to another (URLLC) transmission.

Where the second control information is used to transmit delivery information (e.g., to deliver DCI), the delivery information may indicate a rate match used in different portions of the eMBB transmission, which may be altered to accommodate the URLLC transmission. For example, if the eMBB transmission has a duration of 1 ms and the URLLC transmission occupies at least some of the physical resources of the frame between 0.5 ms and 0.75 ms, the delivery information may indicate:

- From 0ms to 0.5ms, the applied code rate is 0.5

- From 0.5ms to 1ms, the applied code rate is 0.6 (ie, the increased code rate is used in order to reallocate some physical resources to the URLLC)

The second control information may also include an indicator of the resource for the URLLC transmission such that the terminal can decode all of the originally allocated resources before the 0.5 ms at the first code rate and actually use the resources for the eMBB transmission (ie, from the initial allocation) The resources for URLLC transmission are excluded from the resource) at a second code rate between 0.5ms and 0.75ms.

An example method of changing the code rate of a transmission is to have multiple subsequent rate matching stages for transmitting data in the delivery channel processing chain. The first rate matching phase rate matches the transmission to the amount of physical resources, assuming no resources will be used for URLLC transmission, and the subsequent rate matching phase allows the effect of the puncture/collision to be transmitted by URLLC. The number of subsequent rate matching phases can reach the number of possible locations where the URLLC can puncture the eMBB transmission. It should be understood that if the URLLC transmission does not puncture the eMBB transmission, the "subsequent rate matching phase" may not occur. Figure 8 illustrates a portion of a transport delivery channel processing chain that may be used when multiple rate matching phases are applied. The RM1_stream is used for the initial portion of the transmission before one or more URLCC transmissions must be performed using one or more resources previously allocated for the eMBB transmission. The RM2_stream is used for the portion of the transmission that occurs after (and including) the first URLLC transmission, and the RM3_stream is used for the transmission portion that occurs after (and including) the second URLLC transmission. It is worth noting that the transmission portion with the adaptation code rate may begin before the corresponding URLLC transmission, depending on the conventions for the network. For example, where the URLLC transmission transmits at least some of the frame's physical resources between 0.5ms and 0.75ms, the eMBB transmission may potentially begin to use a new code rate of .45ms or .4ms, or at any other suitable time. , if appropriate, before 0.5ms (0.5ms if applicable).

Figure 9 shows in more detail how the rate matching discussed above with respect to Figure 8 operates in the time domain of a particular example. The diagram shows an example where:

The pass channel processing chain (top left) contains FEC encoding (eg, accelerated encoding), "rate matching 1" phase, and "further processing" (where further processing may include, for example, modulation, resource element mapping, etc.).

‧ The set of bits generated by the Rate Match 1 function, labeled a ₀ to a ₇₉₉ .

‧ A set of modulation symbols are labeled b ₀ to b ₃₉₉ . In this example, the modulation scheme is a QPSK modulation in which 2 bits are mapped to one modulation symbol (although the invention is not limited to this type of modulation or bit/symbol rate).

‧ Until time τ2, bits a ₀ to a ₁₉₉ are mapped to modulation symbols b ₀ to b ₉₉ and then mapped to the physical resources in the first part of the time unit before the URLLC transmission.

• Before τ2 (and most likely before τ2, and thus possibly between τ1 and τ2), the decision to schedule the URLLC transmission is made and the remaining bitstreams a ₂₀₀ to a _{799 are} sent to the second Rate Match 2 function for rate matching phase operation.

In this example, the URLLC transport will have to occupy 100 resource elements (modulation symbols). Thus, less than 100 modulation symbols are available for eMBB transmission, and thus bitstreams a ₂₀₀ to a ₇₉₉ must be punctured (via rate matching) by 200 bits (equivalent to 100 modulation symbols).

The rate of the rate match 2 function is selected to rate match the bitstreams a ₂₀₀ to a ₇₉₉ to generate bitstreams a' ₂₀₀ to a' ₅₉₉ , thereby reducing the number of bits by 200, thereby freeing resources for URLLC transmission. .

‧ Once the URLLC resource has been used for URLLC transmission, the "Further Processing" function generates 200 modulation symbols b ₁₀₀ through b ₂₉₉ that are precisely adapted to the remaining resources of the frame.

With this example, although the symbols transmitted by the eMBB are not replaced by the symbols transmitted by the URLCC (ie, the eMBB data is not actually lost even if the URLLC symbol is inserted), the eMBB symbols adapted to match the rate matching transmission will be more sensitive to transmission errors, and It may also be affected by the insertion of the URLLC transmission in the frame that was not originally associated with the planned URLLC transmission schedule. As will be understood by those skilled in the art, however, the errors will be evenly distributed throughout the rest of the eMBB resources (b' ₁₀₀ to b' ₂₉₉ in the example of Figure 9), rather than being limited to being transmitted by URLLC in other cases. Replace or superimpose symbols. This is expected to result in better FEC decoding performance and thus increase the efficiency of the network.

As mentioned previously, the invention is not limited to the frame structure or data type discussed in the above examples. For example, two (or more) control channels or sets of control information are not limited to control related to eMBB transmissions, and transmissions other than URLLC may collide with subsets of resources in the data channel. While this issue is particularly relevant to eMBB and URLLC due to the nature and desired use of these services, the teachings provided herein can be used with any other suitable type of transmission. In some examples, the new transmission that is punctured/collided with the previously assigned transmission may be of the same type as the previously assigned transmission.

Moreover, as noted above, there can be more than one collision within a time unit (e.g., a frame or sub-frame) and even more likely to occur in a large data channel transmission frame. The second control channel can then provide information on one or more collisions. This number of collisions indicated by the capacity of the second control channel may be limited.

From the perspective of the URLLC terminal, it is generally expected that the URLLC (or more generally, the collision with the pre-scheduled transmission) will be transmitted in a predefined time period so that the terminal can attempt to decode the control channel during the relevant time period. If it can decode the control channel, it can decode the corresponding data channel (and may not know if these control and data channels are using the resources originally allocated to another transmission). Otherwise you can wait for the next relevant time period.

In another example, the terminal may first attempt to decode the data channel with the schedule information provided by the first first control channel. If it tries to decode it (for example, by CRC check), the terminal can ignore the second control channel. However, if the data channel cannot be decoded correctly, the second control channel can be read to improve its decoding process.

In the example, including the second control channel is determined by the network such that it can only be included if it is deemed likely to be used. Typically, the control channel has a small burden on the eMBB transmission, such that the network may decide to reserve resources for the second data channel to potentially puncture the transmission in the message box. However, if the network does not expect the eMBB transmission frame to contain many URLLC transmissions compared to the number of unallocated resources, it may decide not to reserve resources for the second control information/channel. For example, if the network determines that there are sufficient orthogonal frequency resources for URLLC and eMBB transmissions, the network may omit the second control channel based on the expected number of URLLC transmissions. In some cases, the presence/absence indication of the second control channel may be indicated by higher layer communication or layer 1 communication (eg, which may be indicated in the first control channel).

In this case, it is generally expected that when the first control channel is transmitted and when the resource has been assigned to the frame (before any potential puncture), it has been decided to include the second control channel. However, in some cases, it may be decided after the decision/send of the first control channel that the second control channel should be transmitted and/or the transmission of the second control channel may not be notified to the terminal. In these examples, the terminal may be expected to attempt to decode one or more potential control channel locations to determine if one or more further control channels are being transmitted. In other words, the presence or absence of the second control channel is blindly decoded by the terminal, wherein the terminal can make two attempts to decode the eMBB data: first assume that the second control channel is present, and then assume that there is no control channel. However, it is expected that in most cases, assuming that the second control channel is not provided, the terminal will first decode the received transmission. Then, if the first decoding attempt fails, the second control channel is sought, for example, by decoding the potential second control channel and testing its CRC. If the CRC test passes, the signal sent in the second control channel can be considered to re-decode the data. On the other hand, if the second control channel CRC test fails, the terminal may decide to use the data HARQ procedure (because the fault may be, for example, not related to the second control channel or URLLC multiplex, but related to other corrupted transmissions).

As mentioned above, the network can provide more than two control channels. For example, if the puncturing traffic requires a delay of less than .25 ms between the incoming packet and the packet being transmitted, and if the time unit for eMBB transmission is 1 ms, the eMBB transmission can be punctured two or more times if needed, This depends on the number and timing of incoming URLLC transfers. This example also recognizes that a single (additional) control channel can indicate a limited number of (URLLC) transmission collisions within a large data channel (eg, eMBB transmission), and sometimes if multiple/large numbers of collisions occur. More control channels can be transferred. In some examples, the presence of a further control channel may be indicated in a previous control channel. For example, the second control channel can indicate to the UE the presence (and possible location) of the third control channel, and the terminal can therefore read the third control channel for further scheduling information.

Moreover, the above discussion is typically presented in the context of transmission to a terminal that is being punctured, as will be understood by those skilled in the art, if the transmission to two or more terminals is being punctured, the same principles still apply. . For example, the URLLC transmission may use some of the resources originally allocated for data transmission to the first terminal or group of terminals, as well as other resources originally allocated for data transmission to the second terminal or group of terminals. In fact, other transmissions may also have been punctured, which is not related to the recipient of the puncturing transmission, and which resource is associated with the recipient that has been used to transmit other data rather than its data or superimposed with its data. This applies to whether the transmission to the URLLC terminal is punctured on the eMBB transmission. If superimposed on the eMBB, the URLLC terminal is for example considered a "far" terminal so that it can be received without overlapping interference cancellation. Similarly, for a URLLC receiver, the recipient does not know if the resource for URLLC transmission was originally assigned to another transmission, not to mention whether they are assigned to two or more transmissions to different recipients. Therefore, the above principles can be equally applied to the puncture/superposition of transmissions to different recipients.

Moreover, in the above example, it is generally expected that the second control information will be transmitted in the same time unit/frame as the first control information (in the first control channel). However, in some examples, the second control information may be sent in a subsequent time unit/frame, such as in the control channel of the next frame. Additional control information will still inform the terminal or group of terminals that the resources previously assigned to them have been used for another transmission and that these resources will be resources in the previous frame. While this is conceivable and may be advantageous in some cases (eg, it may avoid changing the frame structure), it may also delay time when the terminal can complete the decoding of the frame. This will in particular mean that the terminal may potentially have to wait for one or more subsequent frames before the terminal can decode the frames that have been received to generate a delay. In addition, this will result in increased interaction between different frames, rather than having self-contained frames, which can result in more complex implementations for the terminal. Therefore, it is desirable in some cases that it is unlikely and more preferable to provide the second control information in the same time unit as the first control information as the first control information and the data, which is unlikely to be more attractive. .

Those skilled in the art will appreciate that the terms terminal, UE, mobile device, mobile terminal, etc. are used interchangeably and are not limiting. Also, the term base station is generally used and is intended to include at least BTS, eNB, TRP, and the like.

While the present invention is generally discussed in the context of downlink transmissions, it should be understood that the same principles can be used for uplink transmissions. However, both types of data (puncture and puncture data) will have to be transmitted by the same mobile unit of the mobile unit (eg, the terminal) to punct the original transmission and send second control information to correct the uplink previously assigned to the transmission. The allocation of resources.

Therefore, [Application No. 1 / Abstract] has been described.

Although some frame structures with multiple control channels have been considered in different contexts, and when attempting to solve different problems, these control channels are used for different purposes, such as the first for downlink scheduling. A line control channel and a second uplink control channel for ACK/NACK feedback. In contrast, the present invention relates to multiple control channels all for scheduling and decoding of the same data channel and in the same uplink/downlink direction. In other words, there are control channels away from the control channels discussed herein, both in terms of their purpose and nature.

In addition, HSDPA can support two rate matching phases, where the first rate matching phase rate matches the UE's soft buffering capability, and the second rate matching level matches the amount of physical resources available for HS-DSCH transmission. In contrast, in the present invention, the rate matching phase rate matches a different number of physical resources (because if and when URLLC data collides with eMBB data, the number of available physical resources changes). Again, the types of rate matching previously proposed are quite different from the types of rate matching discussed herein and are used to solve completely different problems.

Further particular and preferred aspects of the invention are set forth in the appended independent and dependent claims. It will be understood that the features of the scope of the appended claims may be combined with the features of the scope of the independent patent application, except those explicitly stated in the scope of the claims.

It will be further understood that the principles described herein are not only applicable to LTE or 5G-based wireless telecommunication systems, but are also applicable to any type of wireless telecommunication system that supports transmission of different types of data, and that control channels are used via control channels and data channels. Allocate resources in the data channel.

Therefore, the foregoing discussion merely discloses and describes illustrative embodiments of the invention. As will be appreciated by those skilled in the art, the present invention may be embodied in other specific forms without departing from the spirit and scope of the invention. The disclosure of the present invention is therefore intended to be illustrative, and not to limit the scope of the invention The disclosure of any readily discernible variations, including the teachings herein, is in part limited to the scope of the aforementioned claims.

In the present invention, the method steps discussed herein can be performed in any suitable order, and not necessarily in the order in which they are listed. For example, the steps may be performed in a different order than that used in the above-described embodiments, or from an indicative order used in any other place for listing steps (e.g., in the scope of the patent application), whenever possible or appropriate. Thus, in some cases, certain steps may be performed in a different order, or simultaneously (completely or partially) or in the same order. As long as the order of the commands of any of the steps of any of the methods discussed herein is technically feasible, it is expressly included within the present invention.

As used herein, transmitting information or information to a component can include transmitting one or more messages to the component, and can involve transmitting a portion of the information separately from other information. The number of "messages" involved may also vary depending on the layer or granularity being considered. For example, transmitting a message may involve using several resource elements in an LTE environment such that several signals at the lower layer correspond to a single message at a higher layer. Moreover, transmissions from one terminal to another can be associated with the transmission of any one or more of user profiles, discovery information, control messaging, and any other type of information to be transmitted.

Moreover, the teachings are disclosed for corresponding methods, regardless of aspects disclosed with respect to the device or system. Likewise, the teachings are disclosed for any suitable corresponding device or system, regardless of aspects disclosed by the method. In addition, teachings for methods and systems in which no element or elements are specifically configured to perform functions or steps are specifically disclosed, and any suitable element that can perform the functions can be configured to perform the function. Or steps. For example, any one or more of a mobile terminal, a base station, or any other mobile unit may be suitably configured as long as it is technically feasible and not explicitly excluded.

Whenever a "greater than" or "less than" or equal expression is used in this document, it is intended to mean that they expose two alternatives of "and equal" and "not equal" unless an alternative is explicitly excluded.

It is worth noting that although the invention has been discussed in the context of LTE and/or 5G, its teachings are applicable to, but not limited to, LTE, 5G or other 3GPP standards. In particular, even though the terms used herein are generally the same or similar to the 5G standard, the teachings are not limited to the current version of 5G and may be equally applicable to 5G or 3GPP that are not based on 5G and/or conform to any other future version or Other standards.

The various features of the invention are defined by the following numbered paragraphs:

A method for transmitting data in a mobile communication network, the method comprising: transmitting a first data to a first mobile unit, wherein transmitting the first data comprises: transmitting first control information in a first time period, The first control information identifies a first allocated resource for transmitting the first data in a subsequent second time period; identifying a second data transmitted to the second mobile unit in the second time period; When the data is identified: the second data transmitted in the second resource, wherein the second resources comprise the first time selected from the first allocated resources and transmitted during the selected time period in the second time period Re-allocating the resource set of the second data; transmitting the second control information, the second control information notifying the first action unit except the first data in the redistributed resource set of the transmission originally allocated to the first data The data is transmitted.

The method of paragraph 1, wherein the first time period is a time period at a beginning of a transmission frame for transmitting the first data, and/or wherein the second control information is at the first time The time period between the end of the cycle and the end of the transmission frame for transmitting the first data is transmitted.

The method of any preceding paragraph, wherein the second control information notifies the first action unit that the transmission of the first material in the set of reallocated resources has been replaced with for other data Transmission.

The method of any of paragraphs 1 to 2, wherein the second control information informs the first action unit that the set of redistributed resources has been allocated to other data transmissions and the transmission for the first data The transmission rate is adapted to transmit at least a portion of the first data during the second time period to accommodate the loss of the set of reallocated resources.

The method of paragraph 4, comprising the first mobile unit decoding the transmission of the first data in the remaining allocated resources, the remaining allocated resources being no longer included in the reallocated resource set The first allocating resources, wherein decoding comprises: using a first transmission rate for transmission of the first data until a certain time, and using the second transmission after the certain time period, at or before the selected time period The rate is used for the transmission of the first data until the end of the second time period.

The method of any preceding paragraph, wherein the first mobile unit is a first mobile communication device and the second mobile unit is a second mobile communication terminal, the second mobile communication terminal and the first mobile communication terminal Same or different.

The method of any of paragraphs 1 to 5, wherein the first mobile unit is a first base station and the second mobile unit is the first base station.

The method of any preceding paragraph, wherein: the first control information identifies a third allocated resource for transmitting the third material in the second time period, wherein the second resource comprises a third selected from the third And further allocating the resource set; and the third control information in the further redistributed resource set of the transmission originally allocated to the third data, the second control information notifying the third action unit of the data transmission .

Paragraph 9, a method for receiving data at a mobile unit in a mobile communication network, the method comprising: receiving, in a first time period, first control profile information, the first control information being identified for use in a subsequent second time Transmitting the first data to the first allocated resource of the mobile unit in the cycle; receiving one or more signals transmitted in some or all of the first allocated resources; receiving the second control information, except originally allocated to the first The first data in the redistributed resource set of the one of the first allocated resources of the transmission, the second control information notifying the mobile unit of the data transmission; and ignoring the identification in the second control information The redistribution of the signals transmitted in the resource set.

The method of paragraph 9, wherein ignoring the signals transmitted in the set of reallocated resources comprises at least one of: discarding one or more that have been received in some or all of the set of reallocated resources The signal; and the signal to be received in the resource that is reassigned the resource set.

The method of any of paragraphs 9-10, further comprising: receiving the second control that the adapted transmission rate has been used to transmit the first to accommodate the loss of the reassigned resource set Information; decoding the received signals in the remaining allocated resources, the remaining allocated resources are the first allocated resources that are no longer included in the reallocated resource set, where decoding includes: using the first transmission rate The signals received during or before the beginning of the reassigned set of resources; and the use of the second transmission rate for the signals received after the period of time until the end of the second period of time .

Paragraph 12, A method for receiving data at a mobile unit in a mobile communication network, the method comprising: receiving, in a first time period, first control profile information, the first control information being identified for use in a subsequent second time Transmitting the first data to the first allocated resource of the mobile unit in the cycle; receiving one or more signals transmitted in some or all of the first allocated resources; receiving the second control information, except originally allocated to the first The first data in the redistributed resource set of the one of the first allocated resources of the transmission, the second control information notifying the mobile unit of the data transmission; and based on the second control information, The signals transmitted in the set of reallocated resources identified in the second control information perform interference cancellation to recover the signals transmitted for the first data in the set of reallocated resources.

Paragraph 13. A mobile unit for use in a mobile telecommunications system, the apparatus being configured to perform the method of any of paragraphs 1 to 5 and paragraphs 7 to 12.

Paragraph 14, a mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a transmitter configured to: transmit the first data to the first mobile unit via the transmitter, wherein the mobile unit is configured The controller for transmitting the first data includes the controller configured to transmit the first control information in a first time period, the first control information identifying for transmitting the first in a subsequent second time period a first allocated resource of data; identifying second data transmitted to the second mobile unit during the second time period; and at the identification of the second data: transmitting the second second resource in the second resource Data, wherein the second resources comprise a set of reallocated resources of the second material selected from the first allocated resources, selected in a selected time period of the second time period; transmitting the second via the transmitter Controlling the information, the second control information notifying the first action unit of the first data in addition to the first data in the redistributed resource set of the transmission originally allocated to the first data Transmission.

Paragraph 15, a mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a receiver, the controller being configured to receive, by the receiver, first control profile information in a first time period, The first control information identifies a first allocated resource for transmitting the first data to the mobile unit in a subsequent second time period; receiving, by the receiver, one of the first allocated resources in some or all of the first allocated resources Or a plurality of signals; receiving, by the receiver, the second control information, in addition to the first data in the redistributed resource set of a portion of the first allocated resources originally allocated to the first data, the second The control information notifies the mobile unit of the data transmission; and ignores the signals transmitted in the set of reallocated resources identified in the second control information.

Paragraph 16, a mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a receiver, the controller being configured to receive, via the receiver, first control profile information in a first time period, The first control information identifies a first allocated resource for transmitting the first data to the mobile unit in a subsequent second time period; receiving, by the receiver, one of the first allocated resources in some or all of the first allocated resources Or a plurality of signals; receiving, by the receiver, the second control information, in addition to the first data in the redistributed resource set of a portion of the first allocated resources originally allocated to the first data, the second Controlling the information to the mobile unit of the data transmission; and performing interference cancellation on the signals transmitted in the set of reallocated resources identified in the second control information based on the second control information to resume the redistribution The signals in the resource set that are transmitted for the first data.

Paragraph 17. A circuit for forming a mobile unit of a portion of a mobile communication system, the mobile unit comprising a transmitter configured to transmit a signal via a wireless access interface, a receiver configured to receive a signal via the wireless access interface And a controller configured to control the transmitter and the receiver to transmit and receive signals via the wireless access interface, wherein the controller is configured to combine with the transmitter and the receiver to perform paragraphs 1 through 5 And the method of any one of 7 to 12.

references

[1] RP-160671, “New SID Proposal: Study on New Radio Access Technology,” NTT DOCOMO, RAN#71

[2] Holma H. and Toskala A, “LTE for UMTS OFDMA and SC-FDMA based radio access”, John Wiley and Sons, 2009

Claims (17)

 A method for transmitting data in a mobile communication network, the method comprising: transmitting a first data to a first mobile unit, wherein transmitting the first data comprises: transmitting first control information in a first time period, the first control Information identifying a first allocated resource for transmitting the first data in a subsequent second time period; identifying second data transmitted to the second mobile unit in the second time period; identifying the second data Transmitting: the second data in the second resource, wherein the second resources comprise the second data selected from the first allocated resources and transmitted in the selected time period in the second time period Reassigning the resource set; transmitting the second control information, the second control information notifying the first action unit of the data transmission in addition to the first data in the redistributed resource set of the transmission originally allocated to the first data .    The method of claim 1, wherein the first time period is a time period at a beginning of a transmission frame for transmitting the first data, and/or wherein the second control information is at the first The time period between the end of the time period and the end of the transmission frame for transmitting the first data is transmitted.    The method of claim 1, wherein the second control information notifies the first action unit that the transmission of the first material in the set of reallocated resources has been replaced with other data. Transmission.    The method of claim 1, wherein the second control information notifies the first mobile unit that the redistributed resource set has been allocated to other data transmissions and the transmission rate for the transmission of the first data has been It is adapted to transmit at least part of the first data during the second time period to accommodate the loss of the redistributed resource set.    The method of claim 4, comprising the first mobile unit decoding the transmission of the first data in the remaining allocated resources, the remaining allocated resources being no longer included in the reallocated resource set The first allocating resources, wherein the decoding comprises: using the first transmission rate for the transmission of the first data until a certain time, or before using the second time after the selected time period The transmission rate is used for the transmission of the first data until the end of the second time period.    The method of claim 1, wherein the first mobile unit is a first mobile communication device and the second mobile unit is a second mobile communication terminal, the second mobile communication terminal and the first mobile communication terminal Same or different.    The method of claim 1, wherein the first mobile unit is a first base station and the second mobile unit is the first base station.    The method of claim 1, wherein the first control information identifies a third allocated resource for transmitting the third material in the second time period, wherein the second resource comprises a third selected from the third And further allocating the resource set; and the third control information in the further redistributed resource set of the transmission originally allocated to the third data, the second control information notifying the third action unit of the data transmission .    A method of receiving data at a mobile unit in a mobile communication network, the method comprising: receiving, in a first time period, first control profile information, the first control information identifying for transmission in a subsequent second time period Receiving, by the first data, the first allocated resource of the mobile unit; receiving one or more signals transmitted in some or all of the first allocated resources; receiving the second control information, except the one originally allocated to the first data Transmitting the first data in the resource allocation portion of the first allocated resource, the second control information notifying the mobile unit of the data transmission; and ignoring the reallocation identified in the second control information The signals transmitted in the collection of resources.    The method of claim 9, wherein the ignoring the signals transmitted in the reassigned resource set comprises at least one of: discarding one or more of the reassigned resource sets that have been received in some or all of the reassigned resource sets Multiple signals; and ignore the signals to be received in the resource that re-allocates the resource collection.    The method of claim 9, further comprising receiving the second control information that the adapted transmission rate has been used to transmit the first to accommodate the loss of the reassigned resource set; decoding at the The remaining received resources are the first allocated resources that are no longer included in the reallocated resource set, wherein the decoding comprises: using the first transmission rate for the reallocation The signals received at the beginning or the previous time of the resource set; and the second transmission rate is used for the signals received after the time period until the end of the second time period.    A method of receiving data at a mobile unit in a mobile communication network, the method comprising: receiving, in a first time period, first control profile information, the first control information identifying for transmission in a subsequent second time period Receiving, by the first data, the first allocated resource of the mobile unit; receiving one or more signals transmitted in some or all of the first allocated resources; receiving the second control information, except the one originally allocated to the first data Transmitting the first data in the resource allocation portion of the first allocated resource, the second control information notifying the mobile unit of the data transmission; and based on the second control information, for the second control The signals transmitted in the set of reallocated resources identified in the information perform interference cancellation to recover the signals transmitted for the first data in the set of reallocated resources.    A mobile unit for use in a mobile telecommunications system configured to perform the method of claim 1, 9, or 12.    A mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a transmitter configured to: transmit the first data to the first mobile unit via the transmitter, wherein the mobile unit is configured to transmit the The controller of the first profile includes the controller configured to transmit the first control information during a first time period, the first control information identifying a first transmission of the first data in a subsequent second time period Distributing a resource; identifying second data transmitted to the second mobile unit in the second time period; and identifying, by the transmitter, the second data in the second resource, wherein the second data is transmitted The second resources include a redistributed resource set selected from the first allocated resources, the second data transmitted in the selected time period in the second time period; and the second control information is transmitted via the transmitter, The second control information notifies the first mobile unit of the data transmission in addition to the first data in the reallocated resource set of the transmission originally allocated to the first data.    A mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a receiver, the controller being configured to receive, via the receiver, first control profile information in a first time period, the first Controlling information identifying a first allocated resource for transmitting the first data to the mobile unit in a subsequent second time period; receiving, via the receiver, one or more of the transmitted in some or all of the first allocated resources Receiving, by the receiver, the second control information, in addition to the first data in the redistributed resource set of the one of the first allocated resources originally allocated to the first data, the second control information The action unit notifies the data transmission; and ignores the signals transmitted in the set of reallocated resources identified in the second control information.    A mobile unit for use in a mobile telecommunications system, the mobile unit comprising a controller and a receiver, the controller being configured to: receive, via the receiver, first control profile information in a first time period, the first Controlling information identifying a first allocated resource for transmitting the first data to the mobile unit in a subsequent second time period; receiving, via the receiver, one or more of the transmitted in some or all of the first allocated resources Receiving, by the receiver, the second control information, in addition to the first data in the redistributed resource set of the one of the first allocated resources originally allocated to the first data, the second control information Notifying the data transmission; and performing interference cancellation on the signals transmitted in the set of reallocated resources identified in the second control information based on the second control information to recover in the set of reallocated resources The signals transmitted for the first data.    A circuit for forming a mobile unit of a portion of a mobile communication system, the mobile unit comprising a transmitter configured to transmit signals via a wireless access interface, a receiver configured to receive signals via the wireless access interface, and a set a controller for controlling transmission and reception of signals by the transmitter and the receiver via the wireless access interface, wherein the controller is configured to be combined with the transmitter and the receiver to perform patent application No. 1, 9 Or 12 items of methods.